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If one goes to Servo City (https://www.servocity.com/), you can find the dead band. For most analog servos (i.e., the ones likely to be converted to continuous rotation), you will see that the dead band is about 5 to 8 uS. The full range is +/- 500 uS for +/-60° or so. Using a dimensioned sketch and known gear ratios, one could calculate its positioning accuracy. 2uS is about as small a dead band as one can find in hobby servos.
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Hello guys! I'm trying to build kind of a motorized small skate that moves front/back, with high precision movements (the speed should remain the exactly the same if not changed) and a speed controller.
Basically, it would need to be able to carry 4-5 kilograms on an horizontal surface, with a constant speed (that could be changed using a wired controller).
A friend recommended me to use a servo for the "high precision constant speed", but I don't know how to control a servo or how to make a speed controller for it. Also, I'm not sure if a servo can move a skate with 4-5 kilograms on top of it.
So, basically, I'd need to build a servo controller with on/off switch, invert direction switch and a speed "switch".
BTW, I'd really love if I could build that without any programming, since I don't have any hardware to write to chipsets.
I know I'm asking a lot of things, but it would be really awesome if you guys could help me with this project.
Thank you very much!